写作是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。

能竭忠尽孝，才能称为人。治国安邦称为学问。能平定叛乱称为人才，编织天地事物称为文章。心胸光明坦荡称为风度。万物与我一体称为仁心。

The beauty of physics lies in its ability to explain the complex with the simple.

The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is probably not important to mathematics.

煤炭开采的创新不仅仅是技术问题，更是思维方式的转变。

我从未见过一个我不试图用机械方法解决的问题。

What we know is not much. What we do not know is immense.